The [Math Sorcerer] loves books. His latest acquisition is the famous Real and Complex Analysis, which is a very stout math book. How stout? Well, there are several chapters on holomorphic functions, ...

A Japanese entrepreneur is offering to shell out $1 million (140 million yen) to anyone who can finally resolve a deadlock over a proof of a math brainteaser. Nobuo Kawakami, the founder of Dwango Co.